Degree of Fruit Ripeness Affecting Infestation of Papaya by Two Species of Fruit Flies (Diptera: Tephritidae)

Abstract

Infestation of papaya fruits by two species of fruit flies, the oriental fruit fly, Bactrocera dorsalis (Hendel), and the melon fly, B. cucurbitae (Coquillett), was tested in the laboratory for mature green, 1-2 yellow-stripe, 2-3 yellow-stripe, 5 yellow-stripe, and mature yellow (fully ripe) fruits of the 'Tainung No. 2' papaya (Carica papaya L.), and mature green, quarter, half, and mature yellow fruits of the 'Sunrise' papaya. 本研究依木瓜果皮顏色轉黃的程度進行果實成熟度分級，並檢測台農二號木瓜全綠、1–2黃溝、2–3黃溝、5黃溝、8–9分熟等五種成熟度以及日陞木瓜全綠、1／4熟、1／2熟、8–9分熟等四種成熟度之果實成熟性狀，同時探討木瓜果實成熟度與受東方果實蠅 （Bactrocera dorsalis （Hendel））及瓜實蠅（B. cucurbitae（Coquillett））產卵感染的關係。